Instructions: You are given a passage. Using the information present in the passage, you need to classify it into one of the 10 topics: 0 - 'Society & Culture', 1 - 'Science & Mathematics', 2 - 'Health', 3 - 'Education & Reference', 4 - 'Computers & Internet', 5 - 'Sports', 6 - 'Business & Finance', 7 - 'Entertainment & Music', 8 - 'Family & Relationships', 9 - 'Politics & Government'.
Input: Without checking astronomical data, I'll try the chemical approach:\n\nThe most abundant elements in the universe are hydrogen (with a big lead) and most of the other light elements, so we have to look for the most probable triatomic molecule we can form from light elements.\n\nThis makes H2O my prime candidate, being the most stable molecule to contain two hydrogen atoms. HCN or CO2 have a much lower probability. SiO2 is pretty abundant, but not as distinct molecules.
Output:
1